US Army Corps of Engineers
Hydrologic Engineering Center

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HEC-FIA has been developed for the U.S. Army Corps of Engineers, and software developed at the Hydrologic Engineering Center is made available to the public whenever appropriate. Use is not restricted and individuals outside of the Corps of Engineers may use the program without charge. HEC will not provide user assistance or support for this software to non-Corps users. Downloading this software indicates full acceptance of your responsibility in the use of this program. Please see the distribution policy for more details.

HEC-FIA 3.3:

The Windows setup package contains HEC-FIA 3.3. After starting the program, Documentation is available from the Help menu. HEC-FIA 3.3 has been tested on Windows 10 64-Bit.

HEC-FIA 3.3 (Primary Download Site):
Download HEC-FIA 3.3 for Windows (210 MB) [Release Notes]
Download HEC-FIA 3.3 Portable Version (233 MB) [Release Notes]

Supported Operating Systems:
HEC-FIA 3.3 has been tested on Windows 10 (64-bit).